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  <title>Help</title>
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<body>
  <h1>
    <a href="./index.html">🎹 网页电子琴</a>
  </h1>

  <h2><a href="https://github.com/wsvaio/paino">GITHUB</a></h2>

  <h2>操作方法</h2>
  <ul>
    <li>空格键：切换黑白键，摁住是黑键，松开是白键</li>
    <li>左数字键1~9：切换声音级别，共9个等级，88个音键</li>
    <li>右数字键1~7：哆来咪发唆拉西</li>
    <li>支持触屏操作</li>
  </ul>



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